top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

Can you find out the total number of students?

+1 vote
524 views

In a school, 280 students studied chemistry, 254 students studied physics and 280 students studied biology.

97 students studied chemistry as well as physics, 138 students studied physics as well as biology and 152 students studied chemistry as well as biology.

73 students studied all the three branches.

Can you find out the total number of students?

posted Jul 31, 2015 by Samardeep Acharya

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers (Check Answer ▼)





Similar Puzzles
+1 vote

On the first day, James read 20% of a book. On the second day, he read another 66 pages and discovered that he had read 80% of the unread pages. What is the total number pages of the book?

0 votes

Priyanka visited a famous monument called “holyghar” located near Himalayas. It was a round structure consisting of 100 steps in spiral stairway to reach top. From top you can have overview of natural beauty surrounding that place. Priyanka thought of reaching the top. She also carried a lot of chocolates with her for kids. In the process of climbing up, with each step a chocolate falls from her bag. When she reaches top, she donates half of the chocolates left with her to small kids. Again, in the process of climbing down a chocolate falls down with each step.
She repeats the same process at five holyghars and now she is left with no chocolates. Can you find out the total number of chocolates she had with her initially?

0 votes

A chemistry teacher took exam of his students. Out of the total students, 25% of the students passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passes the first test and also passed the second test ?

0 votes

A school has 35% students from Maharashtra, out of these 20% are from Mumbai.
Find the total percentage of students from Mumbai?

0 votes

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

...